Is saying "Sadaqa Allaahu al-'Azeem " after reciting from Qur'an bid'ah?

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Saying “Sadaqa Allaah al-‘Azeem”
When a Muslim says du’aa’, should he start with du’aa’ for himself or for others?

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Related Answers:
Ruling on reciting al-Faatihah on special occasions, as is customary among some people
Bid'ah Hasanah ("Good Innovations")
Ruling on applying the rules of tajweed to words other than the Qur’an
Saying “Sadaqa Allaah al-‘Azeem”
When a Muslim says du’aa’, should he start with du’aa’ for himself or for others?

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